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The main reason for large number of organic compounds is:

Correct answer: C. Catenation.

  • A. Isomerism.
  • B. Complexity of structure.
  • C. Catenation.
  • D. Homologous series.

Explanation

Catenation is the ability of atoms of a particular element, especially carbon, to form long chains or rings by bonding to each other. In the context of carbon, catenation is a fundamental property that contributes to the diversity and complexity of organic compounds. Carbon atoms can bond to each other to form extended chains, branched structures, or closed rings. This ability allows for the creation of a wide variety of organic molecules with different sizes and shapes. The phenomenon of catenation is particularly pronounced in carbon, making it a key element in the vast number of organic compounds found in nature and synthesized in laboratories. Therefore option C is correct.

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About Fundamental Principles of Organic Chemistry

Organic chemistry begins with carbon compounds classified by carbon skeleton, saturation and functional group. Work includes identifying groups such as hydroxyl, carbonyl, carboxyl and amino, applying basic nomenclature, and distinguishing structural, geometric and optical isomers, where the same molecular formula does not necessarily mean the same structure or properties.

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